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drivers: spi: gd32: Add support DMA transfer #47504

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Merged
merged 4 commits into from
Jan 11, 2023
Merged

drivers: spi: gd32: Add support DMA transfer #47504

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579bad5
drivers: spi: gd32: Add support DMA transfer
soburi Dec 11, 2022
4a6cf04
tests: spi: spi_loopback: add interrupt and DMA tests for GD32 boards
soburi Dec 11, 2022
0f3a7fd
boards: gd32: add `spi` as supported feature
soburi Dec 11, 2022
9bd4f59
boards: gd32f450i_eval: Enable DMA transfer for nor-flash
soburi Dec 11, 2022
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1 change: 1 addition & 0 deletions boards/arm/gd32f403z_eval/gd32f403z_eval.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,3 +16,4 @@ supported:
- pwm
- watchdog
- dma
- spi
1 change: 1 addition & 0 deletions boards/arm/gd32f407v_start/gd32f407v_start.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,3 +16,4 @@ supported:
- gpio
- counter
- dma
- spi
6 changes: 6 additions & 0 deletions boards/arm/gd32f450i_eval/gd32f450i_eval.dts
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Expand Up @@ -145,11 +145,17 @@
};
};

&dma1 {
status = "okay";
};

&spi5 {
status = "okay";
pinctrl-0 = <&spi5_default>;
pinctrl-names = "default";
cs-gpios = <&gpioi 8 GPIO_ACTIVE_LOW>;
dmas = <&dma1 5 1 0 0>, <&dma1 6 1 0 0>;
dma-names = "tx", "rx";

nor_flash: gd25q16@0 {
compatible ="jedec,spi-nor";
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1 change: 1 addition & 0 deletions boards/arm/gd32f450i_eval/gd32f450i_eval.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,3 +16,4 @@ supported:
- watchdog
- counter
- dma
- spi
1 change: 1 addition & 0 deletions boards/arm/gd32f450v_start/gd32f450v_start.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,3 +16,4 @@ supported:
- gpio
- counter
- dma
- spi
1 change: 1 addition & 0 deletions boards/arm/gd32f470i_eval/gd32f470i_eval.yaml
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Expand Up @@ -21,3 +21,4 @@ supported:
- uart
- watchdog
- dma
- spi
1 change: 1 addition & 0 deletions boards/riscv/gd32vf103c_starter/gd32vf103c_starter.yaml
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Expand Up @@ -15,3 +15,4 @@ supported:
- pwm
- watchdog
- dma
- spi
1 change: 1 addition & 0 deletions boards/riscv/gd32vf103v_eval/gd32vf103v_eval.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,3 +15,4 @@ supported:
- pwm
- watchdog
- dma
- spi
1 change: 1 addition & 0 deletions boards/riscv/longan_nano/longan_nano.yaml
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Expand Up @@ -10,3 +10,4 @@ ram: 32
supported:
- watchdog
- dma
- spi
1 change: 1 addition & 0 deletions boards/riscv/longan_nano/longan_nano_lite.yaml
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Expand Up @@ -10,3 +10,4 @@ ram: 20
supported:
- watchdog
- dma
- spi
9 changes: 9 additions & 0 deletions drivers/spi/Kconfig.gd32
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Expand Up @@ -13,7 +13,16 @@ if SPI_GD32
config SPI_GD32_INTERRUPT
bool "GD32 MCU SPI Interrupt Support"
default y if SPI_ASYNC
default y if SPI_GD32_DMA
help
Enable the interrupt driven mode for SPI instances

config SPI_GD32_DMA
bool "GD32 MCU SPI DMA Support"
select DMA
select SPI_GD32_INTERRUPT
help
Use the DMA for SPI transfer
that enable dma channels in their device tree node.

endif # SPI_GD32
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